Pressurized container-dispensers and filling method

Details Pressurized container-dispensers and filling method Pressurized container-dispensers and filling method

1975-11-13

1977-09-20

Tollberg, Stanley H.

Dispensing

Collapsible wall-type container

With wall-collapsing means

222399, B65D 3528, B65D 8314

Patent

active

040491587

ABSTRACT:
A pressurized container-dispenser characterized by a separate pressure source chamber containing a gas-adsorbent solid and an adsorbable gas and having means to transmit source chamber pressure to a product chamber for dispensing of a product therefrom. Preferred transmission means include a moveable wall separating the product and source chambers, a check valve, a constant pressure valve, and a membrane of the type allowing passage of gas but resisting passage of non-gaseous fluid. In a preferred embodiment the source chamber is defined by an enclosure of substantially fixed volume secured adjacent the product chamber. In another, the source chamber is defined by an unsupported enclosure free within the product chamber.

REFERENCES:
patent: 1608155 (1926-11-01), Barnebey
patent: 3122284 (1964-02-01), Miles
patent: 3659395 (1972-07-01), Morane et al.
patent: 3858764 (1975-01-01), Watson

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